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Thread: Current Events in Astronomy

  1. #171
    Looks like TESS finally found a planet in the habitable zone. It looks to be right on the inner edge though rather than comfortably in the middle.

    Transiting Exoplanet Survey Satellite Finds An Earth-Size Habitable-Zone World

    NASA's TESS Planet Hunter Finds Its 1st Earth-Size World in 'Habitable Zone'
    My inner Mulder wants to believe, but my inner Scully remains skeptical.

  2. #172
    Lead Moderator calikid's Avatar
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    Cannot help but wonder if there is some intelligence behind the signal.

    A Rare Fast Radio Burst has been Found that Actually Repeats Every 16 Days
    by Evan Gough

    A team of scientists in Canada have found a Fast Radio Burst (FRB) that repeats every 16 days. This is in stark contrast to other FRBs, which are more sporadic. Some of those sporadic FRBs occur in clusters, and repeat irregularly, but FRBs with a regular, repeatable occurrence are rare.

    A Fast Radio Burst is a pulse of radio emissions that lasts only milliseconds. The first one was discovered in 2007 by astrophysicist Duncan Lorimer and his student David Narkevic, and is called the Lorimer Burst. Since that time, many more have been discovered, but their origin is still unclear, though we know their source is extra-galactic.

    The team of scientists have published a paper presenting their findings. It’s titled “Periodic activity from a fast radio burst source.” They’re working with data from CHIME, the Canadian Hydrogen Intensity Mapping Experiment.
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    The aim of an argument or discussion should not be victory, but
    progress. -- Joseph Joubert
    Attachment 1008

  3. #173
    LMH covered FRBs on her weekly chat-cast last night. (Among other topics)

    Starting at 14:20 to about 18:17

    One might enjoy the entire hour . . .

  4. #174
    Earth has acquired a brand new moon that's about the size of a car.

    Space 26 February 2020
    By Leah Crane

    Earth might have a tiny new moon. On 19 February, astronomers at the Catalina Sky Survey in Arizona spotted a dim object moving quickly across the sky. Over the next few days, researchers at six more observatories around the world watched the object, designated 2020 CD3, and calculated its orbit, confirming that it has been gravitationally bound to Earth for about three years.

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